Colin Powell is a global eminence. Yet on the Bush foreign policy team, his star somehow shines less brightly than expected. Why?

Colin Powell has the gift of presence. When he walks into a room, people sit up, straighten their ties, hold their breath in anticipation. And he dazzles them with his effortless command. The moment he set foot in the State Department last January, he was met with rapturous applause. When he paid a call in Beijing three months after a U.S. spy plane was forced to land on Hainan island, he coaxed a joke out of somber President Jiang Zemin and left the leadership beaming that he "respected" China. They returned the compliment with a long-awaited $2 billion order for Boeing...